12206493 has 54 divisors (see below), whose sum is σ = 21287994. Its totient is φ = 6697728.

The previous prime is 12206473. The next prime is 12206497. The reversal of 12206493 is 39460221.

12206493 is a `hidden beast` number, since 12 + 2 + 0 + 649 + 3 = 666.

12206493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2732409 + 9474084 = 1653^2 + 3078^2 .

It is not a de Polignac number, because 12206493 - 2⁹ = 12205981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206497) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 642438 + ... + 642456.

Almost surely, 2^12206493 is an apocalyptic number.

12206493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12206493 is a deficient number, since it is larger than the sum of its proper divisors (9081501).

12206493 is a wasteful number, since it uses less digits than its factorization.

12206493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12206493 is about 3493.7791859246. The cubic root of 12206493 is about 230.2485844148.

The spelling of 12206493 in words is "twelve million, two hundred six thousand, four hundred ninety-three".